CN104852014B - Device for preparing lithium ion battery pole piece element - Google Patents
Device for preparing lithium ion battery pole piece element Download PDFInfo
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- CN104852014B CN104852014B CN201510245335.4A CN201510245335A CN104852014B CN 104852014 B CN104852014 B CN 104852014B CN 201510245335 A CN201510245335 A CN 201510245335A CN 104852014 B CN104852014 B CN 104852014B
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- cutting part
- knife mold
- forming knife
- corner
- cutting
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/04—Processes of manufacture in general
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/403—Manufacturing processes of separators, membranes or diaphragms
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Secondary Cells (AREA)
Abstract
The invention discloses a device for preparing a lithium ion battery pole piece element, which comprises an upper cutting die and a lower cutting die, wherein the upper cutting die comprises a first forming cutting die and a second forming cutting die which is arranged separately from the first forming cutting die; the first molding cutter die comprises a tab cutting groove, a first corner cutting part and a second corner cutting part; the first corner cutting part and the second corner cutting part are positioned on two sides of the tab cutting groove and are respectively adjacent to the tab cutting groove; the second forming die includes a bottom cutting portion and a first lateral cutting portion formed on the bottom cutting portion. The device for preparing the lithium ion battery pole piece element comprises a first forming cutter die and a second forming cutter die which is separated from the first forming cutter die, and the required special-shaped lithium ion battery pole piece elements in various shapes can be prepared by adjusting the mutual position between the first forming cutter die and the second forming cutter die or replacing different types of cutter dies.
Description
Technical field
The present invention relates to technical field of lithium-ion battery, more particularly to a kind of electrodes of lithium-ion batteries element for preparing
Device.
Background technology
With the variation of electronic product, lithium ion battery has also obtained increasingly being widely applied so that lithium-ion electric
The shape in pond is also no longer limited to traditional rectangle.For example, now many lithium ion batteries use corner for on-right angle or tool
Shape jaggy, this kind of non-rectangle lithium ion battery is referred to as Special-shaped lithium ion battery.The making of Special-shaped lithium ion battery is usual
Using the addition method, the special-shaped pole piece for the band drainage body (i.e. lug) that will have been cut and being stacked together for barrier film regularity.
Wherein, pole piece and barrier film can be collectively referred to as pole piece element.
In the prior art, it is main that required electrodes of lithium-ion batteries element is prepared using cutting die.However, utilizing cutting die
During preparing pole piece element, traditional cutting die can not carry out position adjustment, and same cutting die can not prepare the different of various shapes
Shape electrodes of lithium-ion batteries element.
The content of the invention
In view of the above problems, it is existing for solving the invention provides a kind of device for preparing electrodes of lithium-ion batteries element
Have that cutting die traditional in technology can not carry out position adjustment and same cutting die can not prepare the special-shaped lithium-ion electric of various shapes
The problem of pond pole piece element.
For up to above-mentioned purpose, present invention generally provides following technical scheme：
A kind of device for preparing electrodes of lithium-ion batteries element, it includes cutting die and lower cutting die, and upper cutting die includes first
Forming knife mold and second forming knife mold separately positioned with first forming knife mold；Wherein, first forming knife mold includes
Lug cutting groove, the first corner cutting part and the second corner cutting part；First corner cutting part and second corner are cut
The both sides that portion is located at the lug cutting groove are cut, and are abutted respectively with the lug cutting groove；Second forming knife mold includes
Bottom side cutting part and the first lateral cuts on the bottom side cutting part.
Further, first forming knife mold is also included from second corner cutting part towards second forming cutter
Second lateral cuts of mould extension.
Further, first lateral cuts extend from the bottom side cutting part towards first forming knife mold.
Further, first lateral cuts and the bottom side cutting part are separately positioned, the described first lateral cutting
Portion is arranged on side of the bottom side cutting part along plate direction of advance.
Further, the shape of first corner cutting part and second corner cutting part include fillet, right angle or
Person's chamfering；First corner cutting part is identical with the shape of second corner cutting part or difference.
Further, the bottom side cutting part includes the 3rd corner cutting part and the 4th corner cutting part；3rd side
The shape of angle cutting part and the 4th corner cutting part includes fillet, right angle or chamfering.
Further, the device for preparing electrodes of lithium-ion batteries element also includes card punch.
Further, described device further comprises sucker；The sucker includes being located at first lateral cuts two
The inner side sucker and outside sucker of side.
Further, the inner side sucker is arranged on corresponding with first forming knife mold and second forming knife mold
On lower cutting die.
By above-mentioned technical proposal, the device for preparing electrodes of lithium-ion batteries element in the present invention includes the first forming cutter
Mould and second forming knife mold separately positioned with first forming knife mold, can by change the first forming knife mold or (and) second
Forming knife mold, prepare needed for various shapes Special-shaped lithium ion battery pole piece element, and can by adjustment first into
Gap between type cutting die, the second forming knife mold and the lower cutting die being correspondingly arranged, can effectively control the size of pole piece burr.
Described above is only the general introduction of technical solution of the present invention, in order to better understand the technological means of the present invention,
And can be practiced according to the content of specification, and in order to allow above and other objects of the present invention, feature and advantage can
Become apparent, below especially exemplified by the embodiment of the present invention.
Brief description of the drawings
By reading the detailed description of hereafter preferred embodiment, various other advantages and benefit is common for this area
Technical staff will be clear understanding.Accompanying drawing is only used for showing the purpose of preferred embodiment, and is not considered as to the present invention
Limitation.And in whole accompanying drawing, identical part is denoted by the same reference numerals.In the accompanying drawings：
Fig. 1 shows the schematic diagram for the device that electrodes of lithium-ion batteries element is prepared in the embodiment of the present invention；
Fig. 2 shows the enlarged diagram of the first forming knife mold in Fig. 1；
Fig. 3 shows the enlarged diagram of the second forming knife mold in Fig. 1；
Fig. 4 shows the structural representation of lower cutting die in Fig. 1 embodiments.
Fig. 5 shows the schematic diagram for the device that electrodes of lithium-ion batteries element is prepared in another embodiment of the present invention；
Fig. 6 shows the schematic diagram for the device that electrodes of lithium-ion batteries element is prepared in yet another embodiment of the invention；
Fig. 7 shows the apparatus structure for the preparing electrodes of lithium-ion batteries element signal that further embodiment of this invention is provided
Figure；
Fig. 8 be Fig. 7 in the first forming knife mold mplifying structure schematic diagram；
Fig. 9 is the mplifying structure schematic diagram of the second forming knife mold in Fig. 7；
Figure 10 show using the device that electrodes of lithium-ion batteries element is prepared in the embodiment of the present invention prepare it is several
The schematic diagram of pole piece element of different shapes.
Embodiment
The exemplary embodiment of the disclosure is more fully described below with reference to accompanying drawings.Although showing the disclosure in accompanying drawing
Exemplary embodiment, it being understood, however, that may be realized in various forms the disclosure without should be by embodiments set forth here
Limited.On the contrary, these embodiments are provided to facilitate a more thoroughly understanding of the present invention, and can be by the scope of the present disclosure
Complete conveys to those skilled in the art.
Fig. 1 show the schematic diagram for the device that electrodes of lithium-ion batteries element is prepared in the embodiment of the present invention.Such as Fig. 1 institutes
Show, preparing the device of electrodes of lithium-ion batteries element includes upper cutting die and lower cutting die (not shown), and upper cutting die includes first
Forming knife mold 10 and second forming knife mold 20 separately positioned with the first forming knife mold 10.Lower cutting die is arranged on cutting die along vertically
Lower section in the direction of plate 30.
Wherein, as shown in Fig. 2 the first forming knife mold 10 includes lug cutting groove 11, the first corner cutting part 12 and second
Corner cutting part 13.First corner cutting part 12 and the second corner cutting part 13 are located at the both sides of lug cutting groove 11 respectively, and
Abutted respectively with lug cutting groove 11.Wherein, lug cutting groove 11 can be used for the lug for cutting out the top of pole piece element 40；The
One corner cutting part 12 and the second corner cutting part 13 can be used for two corner shape portion for cutting out the top of pole piece element 40
Point.
As shown in figure 3, the second forming knife mold 20 includes bottom side cutting part 21 and first lateral on bottom side cutting part 21
Cutting part 22.Bottom side cutting part 21 includes the 3rd corner cutting part 24 and the 4th corner cutting part 25, available for cutting out pole piece
Two corner shapes of the bottom of element 40；First lateral cuts 22 are from bottom side cutting part 21 towards the first forming knife mold
10 extensions, and contacted with the second corner cutting part 13.First lateral cuts 22 can be used for cutting consecutive roots piece element 40 point
From.
Lower cutting die in the device for preparing electrodes of lithium-ion batteries element of the present embodiment is corresponding with upper cutting die, specifically can be with
With reference to related art, the structure of corresponding lower cutting die just can be obtained according to the structure of upper cutting die.Below using Fig. 4 as
Example, a kind of structure for lower cutting die that description the present embodiment is provided, but the structure is only an example, the solution of the present invention is not done
Limitation.As shown in figure 4, include in preparing the device of electrodes of lithium-ion batteries element respectively with the first forming knife mold 10 and second
The lower cutting die 60 that forming knife mold 20 is correspondingly arranged.It can set fluted on the lower cutting die 60, the shape of groove and the first shaping
Cutting die 10 is corresponding with the profile of the second forming knife mold 20.First forming knife mold 10 and the second forming knife mold 20 are with lower cutting die groove
There is certain gap during cooperation.In one embodiment, although the lower cutting die 60 shown in Fig. 4 is monolithic construction, but lower cutting die
60 can also be separated from each other setting.
In one embodiment, the lateral cuts 22 of bottom side cutting part 21 and first can be located at same cutting die (in such as Fig. 1
The second shown forming knife mold 20), two cutting dies can also be divided into；In other words, the lateral cuts of bottom side cutting part 21 and first
22 can both form as one structure, can also be separated from each other setting.As shown in figure 5, to be prepared in another embodiment of the present invention
With 22 points of 21 and first lateral cuts of bottom side cutting part in the schematic diagram of the device of electrodes of lithium-ion batteries element, wherein Fig. 5
From describing technical scheme exemplified by setting.Difference with embodiment in Fig. 1 is：Bottom side cutting part 21 and first is lateral
Cutting part 22 is separately positioned, and the first lateral cuts 22 are arranged on side of the bottom side cutting part 21 along the direction of advance of plate 30.By
It is separately positioned in bottom side cutting part 21 and the first lateral cuts 22, it can not be stayed when plate 30 is cut or stay back gauge less, produced
Waste material it is few so as to cost-effective.
In one embodiment, although the first corner cutting part 12 and the second corner cutting part 13 shown in Fig. 2 are fillet,
But the first corner cutting part 12 and the second corner cutting part 13 can be right angle, chamfering or other shapes, and the first corner is cut
The shape for cutting portion 12 and the second corner cutting part 13 can be with identical or differ.Although the 3rd corner cutting shown in Fig. 3
The corner cutting part 25 of portion 24 and the 4th is fillet, but the 3rd corner cutting part 24 and the 4th corner cutting part 25 can for right angle,
Chamfering or other shapes, and the shape of the 3rd corner cutting part 24 and the 4th corner cutting part 25 can be with identical or not phase
Together.
In specific implementation process, using the first forming knife mold 10 relative to the lower cutting die 60 being correspondingly arranged perpendicular to plate
Expect that the reciprocating action in 30 directions cuts out lug and the first preset shape part at the top of pole piece element 40 on plate 30.Its
In, the first preset shape part refers to the shape of the remainder on the top of pole piece element 40 in addition to lug, for example, pole piece is first
The upper left corner of part 40 and the right angle in the upper right corner, fillet, chamfering or other shapes.Meanwhile, using the second forming knife mold 20 relative to
The reciprocating action for the lower cutting die 60 being correspondingly arranged cuts out the side of pole piece element 40 on plate 30 and the second of bottom is preset
Shape.Wherein, the side of pole piece element 40 may be referred to Fig. 1, and the second preset shape part refers to the bottom of pole piece element 40
Shape in portion, for example, the lower left corner and right angle, fillet, chamfering or the other shapes in the lower right corner of pole piece element 40.In above-mentioned mistake
Cheng Zhong, the first forming knife mold 10 and the second forming knife mold 20 can be acted simultaneously, can also each be acted respectively.When the first shaping
The forming knife mold 20 of cutting die 10 and second is each completed after the action of complete set, i.e., when a pole piece element 40 is produced out it
Afterwards, plate 30 moves forward the position of a width of pole piece element 40, to continue to prepare next pole piece element 40.
In addition, by change the first forming knife mold or (and) the second forming knife mold, can be simply, easily according to actual need
Output of seeking survival pole piece element 40 of different shapes.
In one embodiment, as shown in fig. 6, sucker can be further comprised by preparing the device of electrodes of lithium-ion batteries element
50.Sucker 50 includes inner side sucker 51 and outside sucker 52.Inner side sucker 51 and outside sucker 52 are located at the first side cut respectively
Cut the both sides in portion 22.Specifically, inner side sucker 51 sets lower cutting die corresponding with the first forming knife mold 10 and the second forming knife mold
On.
In specific implementation process, inner side sucker 51 and outside sucker 52 are by taking over (being not drawn into figure) and vacuum equipment
(being not drawn into such as vacuum generator, figure) connects.Before being cut to plate 30, inner side sucker 51 and outside sucker 52 and plate
The surface contact of material 30, starts vacuum equipment suction, makes to produce negative pressure in inner side sucker 51 and outside sucker 52, so that by plate
Material 30 sucks fixation.After being cut to plate 30, smoothly inflate into inner side sucker 51 and outside sucker 52, make inner side sucker
51 and outside sucker 52 in zero air pressure or slightly positive air pressure are become by negative pressure, the pole piece 40 prepared is from outside sucker 52
Depart from and remove, while plate 30 departs from from inner side sucker 51 and moves forward a width position of pole piece element 40.Inner side
The setting of sucker 51 and outside sucker 52, can fix plate 30, so that prevent the position of plate 30 during punching from shifting, with
Exempt to have influence on the shape for the pole piece element 40 prepared.It should be noted that set on inner side sucker 51 and outside sucker 52
The shape in the hole for adsorbing plate 30 can be circle, ellipse, triangle, rhombus or other shapes.As shown in Figure 6
Exemplified by the shape in the hole for adsorbing plate 30 in embodiment to be set on inner side sucker 51 and outside sucker 52 is circle, retouch
State technical scheme.
In the another embodiment that the present invention is provided, as shown in fig. 6, preparing the device of electrodes of lithium-ion batteries element
Card punch (not shown) can be further comprised, for cutting out fabrication hole P on plate 30.Fabrication hole P is before plate 30
Set on the direction entered according to the width interval of certain spacing such as pole piece element 40.Due to the first forming knife mold 10 and the second one-tenth
There is gap S between type cutting die 20, cut out the fabrication hole P of correspondence gap S location in plate 30 in advance using card punch, can be with
Ensure that consecutive roots piece element 40 is cut separation by the first lateral cuts 22.It should be noted that card punch can in the present embodiment
With with the first forming knife mold 10, the second forming knife mold 20 and lower cutting die 60 be same power, can not also be same power.
As shown in fig. 7, showing for the apparatus structure for preparing electrodes of lithium-ion batteries element that further embodiment of this invention is provided
It is intended to.Fig. 8 be Fig. 7 in the first forming knife mold 10 mplifying structure schematic diagram.Fig. 9 is that second forming knife mold 20 is put in Fig. 7
Big structure schematic diagram.As shown in Figure 7 and Figure 8, the first forming knife mold 10 in the present embodiment is except including shown in above-mentioned Fig. 1
Structure, in addition to the second lateral cuts 14 extended from the second corner cutting part 13 towards the second forming knife mold 20.Such as Fig. 7 and
Shown in Fig. 9, second forming knife mold 20 of the present embodiment is compared with the structure shown in above-mentioned Fig. 3, due to the first forming knife mold 10
In the second lateral cuts 14 presence, the first lateral cuts 22 become shorter.
Compared with the position of the fabrication hole P shown in above-mentioned Fig. 6, the fabrication hole P in embodiment illustrated in fig. 7 is correspondingly arranged at
At interstitial site between two lateral cuts 14 and the first lateral cuts 22.Remaining realization principle phase with above-described embodiment
Together, the record of above-mentioned related embodiment is may be referred in detail, will not be repeated here.Similarly, Fig. 7, Fig. 8 and embodiment illustrated in fig. 9
In the second lateral cuts 14 can be with the lug cutting groove 11 in the first forming knife mold 10, the first corner cutting part 12 and
Two corner cutting parts 13 are separately positioned, and the first lateral cuts 22 can also be with the bottom side cutting part 21 in the second forming knife mold 20
It is separately positioned.
In one embodiment, the first forming knife mold 10, the second forming knife mold 20 and respectively with the first forming knife mold 10,
The corresponding lower cutting die 60 of two forming knife molds 20, the mode that optical grinding is respectively adopted is made, and is set to split-type structural, makes
The apparatus structure for preparing electrodes of lithium-ion batteries element in the embodiment of the present invention is simple, be easy to processing, precision is high and uses
Long lifespan.
In actual implementation process, the shape of the pole piece element 40 that can be cut out as needed changes the of corresponding shape
One forming knife mold 10 or (and) the second forming knife mold 20.By change the first forming knife mold 10 of different shapes or (and) the second one-tenth
Type cutting die 20, can produce various pole piece elements of different shapes, for example, pole piece element 41 as shown in Figure 10,42,43,
44th, 45 and 46.
In other embodiments, the device for preparing electrodes of lithium-ion batteries element that the present invention is provided, can not only be prepared
Go out required electrodes of lithium-ion batteries, can also prepare the barrier film matched with electrodes of lithium-ion batteries.
The device for preparing electrodes of lithium-ion batteries element provided in the embodiment of the present invention includes the He of the first forming knife mold 10
Second forming knife mold 20 and the lower cutting die 60 being correspondingly arranged.Wherein, pole piece element 40 can be cut out using the first forming knife mold 10
Lug and the first preset shape part, and the side and bottom of pole piece element 40 can be cut out using second forming knife mold 20
Second preset shape part.Compared with prior art, the device for preparing electrodes of lithium-ion batteries element in the embodiment of the present invention,
Can be by adjusting the mutual alignment between the first forming knife mold 10 and the second forming knife mold 20 or changing different types of cutting die, system
For the Special-shaped lithium ion battery pole piece element of the various shapes needed for going out.
In addition, the device for preparing electrodes of lithium-ion batteries element in the embodiment of the present invention can be by adjusting the first forming cutter
Mould 10, the second forming knife mold 20 and the gap for the lower cutting die 60 being correspondingly arranged, the pole piece element that can effectively control to prepare
Burr size.Also, because the first forming knife mold 10 and the second forming knife mold 20 are separated from each other setting, lithium ion can prepared
Dedusting mechanism is set inside the device of battery pole piece element, and need not dedusting station be set in addition, is greatly saved and prepares lithium
The space of the device of ion battery pole piece element.In addition, can be molded by changing the first forming knife mold 10, second of abrasion in time
Cutting die 20 or corresponding lower cutting die 60, it is to avoid burr occur on pole piece element 40.By the above-mentioned means, pole can be controlled or be avoided
The burr occurred on piece element 40, ensure that the lithium ion battery produced is safer.
In the above-described embodiments, the description to each embodiment all emphasizes particularly on different fields, and does not have the portion being described in detail in some embodiment
Point, it may refer to the associated description of other embodiment.
It is understood that the correlated characteristic in said apparatus can be referred to mutually.
Although in addition, it will be appreciated by those of skill in the art that some embodiments described herein include other embodiments
In included some features rather than further feature, but the combination of the feature of be the same as Example does not mean in of the invention
Within the scope of and form different embodiments.For example, in the following claims, times of embodiment claimed
One of meaning mode can be used in any combination.
Claims (8)
1. a kind of device for preparing electrodes of lithium-ion batteries element, it includes cutting die and lower cutting die, it is characterised in that on described
Cutting die includes the first forming knife mold and second forming knife mold separately positioned with first forming knife mold；
Wherein, first forming knife mold includes lug cutting groove, the first corner cutting part and the second corner cutting part；Described
One corner cutting part and second corner cutting part are cut with the lug respectively in the both sides of the lug cutting groove
Groove is abutted；
Second forming knife mold includes bottom side cutting part and the first lateral cuts on the bottom side cutting part；
There is gap between first forming knife mold and second forming knife mold；
Described device also includes card punch, and the card punch can cut out fabrication hole, the position of the fabrication hole on plate
Position with the gap is corresponding, and first forming knife mold can be acted simultaneously with second forming knife mold, to prepare
Pole piece element.
2. the device according to claim 1 for preparing electrodes of lithium-ion batteries element, it is characterised in that first shaping
Cutting die also includes the second lateral cuts extended from second corner cutting part towards second forming knife mold.
3. the device according to claim 1 for preparing electrodes of lithium-ion batteries element, it is characterised in that described first is lateral
Cutting part extends from the bottom side cutting part towards first forming knife mold.
4. the device according to claim 1 for preparing electrodes of lithium-ion batteries element, it is characterised in that described first is lateral
Cutting part and the bottom side cutting part are separately positioned, and first lateral cuts are arranged on the bottom side cutting part along before plate
Enter the side in direction.
5. the device according to claim 1 for preparing electrodes of lithium-ion batteries element, it is characterised in that first corner
The shape of cutting part and second corner cutting part includes fillet, right angle or chamfering；First corner cutting part and institute
State the second corner cutting part shape is identical or difference.
6. the device according to claim 1 for preparing electrodes of lithium-ion batteries element, it is characterised in that the bottom side cutting
Portion includes the 3rd corner cutting part and the 4th corner cutting part；The 3rd corner cutting part and the 4th corner cutting part
Shape includes fillet, right angle or chamfering.
7. the device according to claim 1 for preparing electrodes of lithium-ion batteries element, it is characterised in that described device enters one
Step includes sucker；The sucker includes the inner side sucker and outside sucker positioned at the first lateral cuts both sides.
8. the device according to claim 7 for preparing electrodes of lithium-ion batteries element, it is characterised in that the inner side sucker
It is arranged on lower cutting die corresponding with first forming knife mold and second forming knife mold.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510245335.4A CN104852014B (en) | 2015-05-14 | 2015-05-14 | Device for preparing lithium ion battery pole piece element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510245335.4A CN104852014B (en) | 2015-05-14 | 2015-05-14 | Device for preparing lithium ion battery pole piece element |
Publications (2)
| Publication Number | Publication Date |
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| CN104852014A CN104852014A (en) | 2015-08-19 |
| CN104852014B true CN104852014B (en) | 2017-10-20 |
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| CN201510245335.4A Active CN104852014B (en) | 2015-05-14 | 2015-05-14 | Device for preparing lithium ion battery pole piece element |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108906969A (en) * | 2018-08-31 | 2018-11-30 | 广东亿鑫丰智能装备股份有限公司 | A kind of die cutting mechanism with pole piece corner cut and include its system and method |
| CN110596209A (en) * | 2019-09-04 | 2019-12-20 | 深圳市比克动力电池有限公司 | Symmetric battery, preparation method thereof and method for evaluating lithium ion battery material by using symmetric battery |
| CN110788199A (en) * | 2019-10-24 | 2020-02-14 | 王招军 | Multi-specification die cutting module and method |
| KR20220064751A (en) * | 2020-11-12 | 2022-05-19 | 주식회사 엘지에너지솔루션 | Pouch cell cutting apparatus and pouch cell manufacturing method |
| CN112959522B (en) * | 2021-02-07 | 2022-07-05 | 蓝思智能机器人(长沙)有限公司 | Strip slitting device and strip slitting method |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP5383571B2 (en) * | 2010-03-26 | 2014-01-08 | 三菱重工業株式会社 | Electrode plate manufacturing equipment |
| JP2011204612A (en) * | 2010-03-26 | 2011-10-13 | Mitsubishi Heavy Ind Ltd | Electrode plate manufacturing apparatus |
| CN203156854U (en) * | 2013-03-19 | 2013-08-28 | 张云超 | Die cutting cutter and mortarboard using same |
| CN104157913B (en) * | 2014-08-20 | 2016-02-17 | 浙江中科立德新材料有限公司 | The pole piece moulding process of lithium ion battery and device thereof |
| CN204538120U (en) * | 2015-05-14 | 2015-08-05 | 宁德时代新能源科技有限公司 | A kind of device preparing electrodes of lithium-ion batteries element |
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